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Note 4 - Exit and Disposal Activities - Segregation of Assets Held for Sale (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Property, plant and equipment $ 11,207 $ 28,874
Accumulated depreciation (9,733) (25,976)
Property, plant and equipment, net $ 1,474 $ 2,898